Finding the Fourth Proportional to 878,254.82, 1,211,524.14 and 534,195.98
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Solution
The fourth proportional to 878,254.82, 1,211,524.14 and 534,195.98 is: 736,906.09
Step by Step Solution
- Step 1: Write the proportion equation
878,254.82 : 1,211,524.14 = 534,195.98 : x - Step 2: Convert to fraction form
878,254.82/1,211,524.14 = 534,195.98/x - Step 3: Cross multiply
878,254.82x = 1,211,524.14 × 534,195.98 - Step 4: Simplify right side
878,254.82x = 647,191,325,260.96 - Step 5: Solve for x
x = 647,191,325,260.96/878,254.82 - Step 6: Final answer
x = 736,906.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.